Siva Vaidhyanathan is the Robertson Professor of Media Studies and director of the Center for Media and Citizenship at the University of Virginia.

He is the author of Antisocial Media: How Facebook Disconnects Us and Undermines Democracy (Oxford University Press, 2018). He also wrote Intellectual Property: A Very Short Introduction (Oxford University Press, 2017), and The Googlization of Everything — and Why We Should Worry (University of California Press, 2011). He has written two previous books: Copyrights and Copywrongs: The Rise of Intellectual Property and How it Threatens Creativity (New York University Press, 2001) and The Anarchist in the Library: How the Clash between Freedom and Control is Hacking the Real World and Crashing the System (Basic Books, 2004). He also co-edited (with Carolyn Thomas) the collection, Rewiring the Nation: The Place of Technology in American Studies (Johns Hopkins University Press, 2007).

Vaidhyanathan directs the Center for Media and Citizenship at the University of Virginia, which produces a television show, a radio program, several podcasts, and the Virginia Quarterly Review magazine. He has appeared in an episode of The Daily Show with Jon Stewart to discuss early social network services. Vaidhyanathan has appeared in several documentary films, including Terms and Conditions May Apply (2013), Inside the Mind of Google (2009), and Freedom of Expression (2007). In 2016 Vaidhyanathan played a prominent role in the higher-education documentary, Starving the Beast. Vaidhyanathan was portrayed as a character on stage at the Public Theater in New York City in a play called Privacy (2016). Vaidhyanathan serves on the board of the Digital Public Library of America.

Vaidhyanathan has written for many periodicals, including The New York Times, Bloomberg View, American Scholar, Dissent, The Chronicle of Higher Education, The New York Times Magazine, Slate.com, BookForum, Columbia Journalism Review, Washington Post, The Guardian, Esquire.com, The Virginia Quarterly Review, The New York Times Book Review, and The Nation. He is a frequent contributor to public radio programs. And he has appeared on news programs on BBC, CNN, NBC, CNBC, MSNBC, and ABC.

After five years as a professional journalist, he earned a Ph.D. in American Studies from the University of Texas at Austin. Vaidhyanathan has also taught at Wesleyan University, the University of Wisconsin at Madison, Columbia University, New York University, McMaster University, and the University of Amsterdam. He is a fellow at the New York Institute for the Humanities and a Faculty Associate of the Berkman Center for Internet and Society at Harvard University. He was born and raised in Buffalo, New York and resides in Charlottesville, Virginia.